EP0565872A3 - Apparatus and method for disambiguating an input stream generated by a stylus-based user interface - Google Patents

Apparatus and method for disambiguating an input stream generated by a stylus-based user interface Download PDF

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Publication number
EP0565872A3
EP0565872A3 EP93104072A EP93104072A EP0565872A3 EP 0565872 A3 EP0565872 A3 EP 0565872A3 EP 93104072 A EP93104072 A EP 93104072A EP 93104072 A EP93104072 A EP 93104072A EP 0565872 A3 EP0565872 A3 EP 0565872A3
Authority
EP
European Patent Office
Prior art keywords
tapi
stroke
database
application program
gesture
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP93104072A
Other versions
EP0565872A2 (en
EP0565872B1 (en
Inventor
William Joseph Anderson
Nicos John Anthony
Chow Doris Chin
Colin George Harrison
Tanarug Issadisai
Howard Geza Page
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
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International Business Machines Corp
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Filing date
Publication date
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of EP0565872A2 publication Critical patent/EP0565872A2/en
Publication of EP0565872A3 publication Critical patent/EP0565872A3/en
Application granted granted Critical
Publication of EP0565872B1 publication Critical patent/EP0565872B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
    • G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
    • G06F3/04883—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures for inputting data by handwriting, e.g. gesture or text
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F40/00—Handling natural language data
    • G06F40/10—Text processing
    • G06F40/166—Editing, e.g. inserting or deleting
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/32—Digital ink
    • G06V30/36—Matching; Classification
    • G06V30/373—Matching; Classification using a special pattern or subpattern alphabet

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Artificial Intelligence (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • General Health & Medical Sciences (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Multimedia (AREA)
  • Character Discrimination (AREA)
  • User Interface Of Digital Computer (AREA)
  • Collating Specific Patterns (AREA)
  • Error Detection And Correction (AREA)
  • Train Traffic Observation, Control, And Security (AREA)

Abstract

An apparatus and method in a tablet computer for disambiguating a handwriting input stream generated by a stylus-based user interface. A tablet application program interface (TAPI) of the present invention receives stroke data generated by a stroke made by a user on a digitizing tablet. The TAPI inserts the stroke data into a database. If the stroke is an editing gesture, the TAPI routes the stroke to a gesture recognizer which identifies an editing dialog. The TAPI then executes the dialog to perform operations on the database. If the application program is expecting text input, the TAPI continues to receive stroke data until it detects a closure event. The TAPI then forms a stroke group entry in the database by grouping all non-gesture stroke data received since the last closure event. The TAPI routes the stroke group data to a character recognizer, which returns candidate characters. The TAPI inserts the candidate characters into the stroke group entry. The TAPI notifies the application program each time it updates the database. <IMAGE>
EP93104072A 1992-04-15 1993-03-12 Apparatus and method for disambiguating an input stream generated by a stylus-based user interface Expired - Lifetime EP0565872B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US86959392A 1992-04-15 1992-04-15
US869593 1992-04-15

Publications (3)

Publication Number Publication Date
EP0565872A2 EP0565872A2 (en) 1993-10-20
EP0565872A3 true EP0565872A3 (en) 1995-11-29
EP0565872B1 EP0565872B1 (en) 2000-06-07

Family

ID=25353875

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93104072A Expired - Lifetime EP0565872B1 (en) 1992-04-15 1993-03-12 Apparatus and method for disambiguating an input stream generated by a stylus-based user interface

Country Status (8)

Country Link
US (1) US5784504A (en)
EP (1) EP0565872B1 (en)
JP (1) JP2572521B2 (en)
KR (1) KR960003068B1 (en)
AT (1) ATE193773T1 (en)
CA (1) CA2089784C (en)
DE (1) DE69328802T2 (en)
ES (1) ES2146594T3 (en)

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Also Published As

Publication number Publication date
KR930022181A (en) 1993-11-23
CA2089784A1 (en) 1993-10-16
JP2572521B2 (en) 1997-01-16
EP0565872A2 (en) 1993-10-20
KR960003068B1 (en) 1996-03-04
CA2089784C (en) 1996-12-24
EP0565872B1 (en) 2000-06-07
ATE193773T1 (en) 2000-06-15
US5784504A (en) 1998-07-21
DE69328802T2 (en) 2000-11-30
JPH064207A (en) 1994-01-14
DE69328802D1 (en) 2000-07-13
ES2146594T3 (en) 2000-08-16

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